package p20;

public class Test {
    public Test() {
    }

    public static void main(String[] args) {
        //new Test().tt(5,10);
/*        String a = "aaa";
        String b = "bbb";
        System.out.println(a.compareTo(b));;
    }

    public int tt(int a , int b) {
        int num = a - b;
        int num2 = (a==b) ? (a + b ): (num);
        int num3;
        if (num==0){
            num3= a + b;
        }else {
            num3 = num;
        }
        System.out.println("num = " + num);
        System.out.println("num2 = " + num2);
        return 0;*/
/*        Integer a = 007;
        HashMap<String, String> qa = new HashMap<>();
        qa.put(null, null);
        System.out.println("qa = " + qa);*/

        System.out.println(System.getProperties());

    }

}
